ti_iicreg.h revision 1.1
1/* $NetBSD: ti_iicreg.h,v 1.1 2019/10/27 19:11:07 jmcneill Exp $ */ 2 3/* 4 * Copyright (c) 2013 Manuel Bouyer. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27/* register definitions for the i2c controller found in the 28 * Texas Instrument AM335x SOC 29 */ 30 31#ifndef _OMAP2IICREG_H 32#define _OMAP2IICREG_H 33 34#define OMAP2_I2C_REVNB_LO 0x00 35#define I2C_REVNB_LO_RTL(x) (((x) >> 11) & 0x01f) 36#define I2C_REVNB_LO_MAJOR(x) (((x) >> 8) & 0x007) 37#define I2C_REVNB_LO_CUSTOM(x) (((x) >> 6) & 0x003) 38#define I2C_REVNB_LO_MINOR(x) (((x) >> 0) & 0x01f) 39#define I2C_REV_SCHEME_0_MAJOR(r) (((r) >> 4) && 0xf) 40#define I2C_REV_SCHEME_0_MINOR(r) (((r) >> 0) && 0xf) 41#define OMAP2_I2C_REVNB_HI 0x04 42#define I2C_REVNB_HI_SCHEME(x) (((x) >> 14) & 0x003) 43#define I2C_REVNB_HI_FUNC(x) (((x) >> 0) & 0xfff) 44#define OMAP2_I2C_SYSC 0x10 45#define I2C_SYSC_CLKACTIVITY_OCP 0x0010 46#define I2C_SYSC_CLKACTIVITY_SYSTEM 0x0020 47#define I2C_SYSC_IDLE_MASK 0x0018 48#define I2C_SYSC_IDLE_FORCE 0x0000 49#define I2C_SYSC_IDLE_SMART 0x0010 50#define I2C_SYSC_IDLE_NONE 0x0008 51#define I2C_SYSC_ENAWAKEUP 0x0004 52#define I2C_SYSC_SRST 0x0002 53#define I2C_SYSC_AUTOIDLE 0x0001 54#define OMAP2_I2C_IRQSTATUS_RAW 0x24 55#define OMAP2_I2C_IRQSTATUS 0x28 56#define OMAP2_I2C_IRQENABLE_SET 0x2C 57#define OMAP2_I2C_IRQENABLE_CLR 0x30 58#define OMAP2_I2C_WE 0x34 59#define I2C_IRQSTATUS_XDR 0x4000 60#define I2C_IRQSTATUS_RDR 0x2000 61#define I2C_IRQSTATUS_BB 0x1000 62#define I2C_IRQSTATUS_ROVR 0x0800 63#define I2C_IRQSTATUS_XUDF 0x0400 64#define I2C_IRQSTATUS_AAS 0x0200 65#define I2C_IRQSTATUS_BF 0x0100 66#define I2C_IRQSTATUS_AERR 0x0080 67#define I2C_IRQSTATUS_STC 0x0040 68#define I2C_IRQSTATUS_GC 0x0020 69#define I2C_IRQSTATUS_XRDY 0x0010 70#define I2C_IRQSTATUS_RRDY 0x0008 71#define I2C_IRQSTATUS_ARDY 0x0004 72#define I2C_IRQSTATUS_NACK 0x0002 73#define I2C_IRQSTATUS_AL 0x0001 74#define OMAP2_I2C_DMARXENABLE_SET 0x38 75#define OMAP2_I2C_DMATXENABLE_SET 0x3C 76#define OMAP2_I2C_DMARXENABLE_CLR 0x40 77#define I2C_DMARXENABLE 0x0001 78#define OMAP2_I2C_DMATXENABLE_CLR 0x44 79#define I2C_DMATXENABLE 0x0001 80#define OMAP2_I2C_DMARXWAKE_EN 0x48 81 /* use same bits as IRQ */ 82#define OMAP2_I2C_DMATXWAKE_EN 0x4C 83 /* use same bits as IRQ */ 84#define OMAP2_I2C_SYSS 0x90 85#define I2C_SYSS_RDONE 0x0001 86#define OMAP2_I2C_BUF 0x94 87#define I2C_BUF_RDMA_EN 0x8000 88#define I2C_BUF_RXFIFO_CLR 0x4000 89#define I2C_BUF_RXTRSH_MASK 0x3f00 90#define I2C_BUF_RXTRSH(x) ((x) << 8) 91#define I2C_BUF_XDMA_EN 0x0080 92#define I2C_BUF_TXFIFO_CLR 0x0040 93#define I2C_BUF_TXTRSH_MASK 0x003f 94#define I2C_BUF_TXTRSH(x) ((x) << 0) 95#define OMAP2_I2C_CNT 0x98 96#define I2C_CNT_MASK 0xffff 97#define OMAP2_I2C_DATA 0x9C 98#define I2C_DATA_MASK 0x00ff 99#define OMAP2_I2C_CON 0xA4 100#define I2C_CON_EN 0x8000 101#define I2C_CON_STB 0x0800 102#define I2C_CON_MST 0x0400 103#define I2C_CON_TRX 0x0200 104#define I2C_CON_XSA 0x0100 105#define I2C_CON_XOA0 0x0080 106#define I2C_CON_XOA1 0x0040 107#define I2C_CON_XOA2 0x0020 108#define I2C_CON_XOA3 0x0010 109#define I2C_CON_STP 0x0002 110#define I2C_CON_STT 0x0001 111#define OMAP2_I2C_OA 0xA8 112#define I2C_OA_MASK 0x03ff 113#define OMAP2_I2C_SA 0xAC 114#define I2C_SA_MASK 0x03ff 115#define OMAP2_I2C_PSC 0xB0 116#define I2C_PSC_MASK 0x000f 117#define OMAP2_I2C_SCLL 0xB4 118#define I2C_SCLL_MASK 0x000f 119#define OMAP2_I2C_SCLH 0xB8 120#define I2C_SCLH_MASK 0x000f 121#define OMAP2_I2C_SYSTEST 0xBC 122#define OMAP2_I2C_BUFSTAT 0xC0 123#define I2C_BUFSTAT_FIFODEPTH(x) (((x) >> 14) & 0x03) 124#define I2C_BUFSTAT_RXSTAT(x) (((x) >> 8) & 0x3f) 125#define I2C_BUFSTAT_TXSTAT(x) (((x) >> 0) & 0x3f) 126#define OMAP2_I2C_OA1 0xC4 127#define OMAP2_I2C_OA2 0xC8 128#define OMAP2_I2C_OA3 0xCC 129 /* same bits as I2C_OA */ 130#define OMAP2_I2C_ACTOA 0xD0 131#define OMAP2_I2C_SBLOCK 0xD4 132#define I2C_ACTOA_OA3_ACT 0x0008 133#define I2C_ACTOA_OA2_ACT 0x0004 134#define I2C_ACTOA_OA1_ACT 0x0002 135#define I2C_ACTOA_OA0_ACT 0x0001 136 137#if defined(TI_AM335X) 138#define OMAP2_I2C0_BASE 0x44E0B000 139#define OMAP2_I2C1_BASE 0x4802A000 140#define OMAP2_I2C2_BASE 0x4819C000 141#endif /* TI_AM335X */ 142 143#endif /* _OMAP2IICREG_H */ 144